F.29 — Flame goes off during operation, subsequent ignition failed

What does F.29 mean?

The boiler's flame has extinguished during operation, and subsequent attempts to reignite have failed. This can indicate an interruption in the gas supply or an earthing issue.

• Gas supply temporarily stopped.
• Faulty earthing of the appliance.
• Defective igniter or gas valve.

Click steps to track your progress.

1. 1

   Check that your gas supply to the boiler is fully turned on.

2. 2

   Press and hold the reset button on the boiler for one second to clear the fault.

3. 3

   If the boiler still shuts off after three reset attempts, contact a qualified service technician to inspect the gas supply and earthing.